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What are the basic LAN topologies?
The three simple LAN topologies that are combined to shape any practical topology are called as basic LAN topologies. They are, Bus Topology, Ring Topology and Star Topology.
What is a Web server? This new model of Client/Server having of thin, portable, "universal" clients that talk to super fat servers. In the easiest form, a web server returns do
What are the characteristics of Client/Server? Service Encapsulation of services Shared resources Asymmetrical protocols Mix-and-match Transparency of location
Take the maximum packet lifetime, T. It's stated that T must be big enough to make sure the packet and its ACK have vanished. Why do we have to have the ACK?
Hub A hub is a small box that connects individual devices on network so that these devices can communicate with each other. Hub is an inexpensive device. It is comm
1. A computer system has a two-level memory cache hierarchy. The L1 cache has a zero hit penalty, a miss penalty of 5 ns and a hit rate of 95 percent. The L2 cache has a miss pena
today, what is the most common or mostly encountered problem in terms of database management system?
At the Physical layer of the OSI model Repeaters work by regenerating the signal to extend the distance it can travel.
Intranets are fundamentally "small" Internets. They employ the same network facilities which the Internet does, however access is limited to a restricted sphere. For example, a com
What is Stop-and-Wait Protocol? In Stop and wait protocol, sender sends single frame, waits unless it receives confirmation from the receiver (okay to go ahead), and then sends
A magazine publisher based in Nairobi has branch in Kisumu, and one in Mombasa. The company has kept in touch by telephone and courier service. Each office is networked. The networ
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